{"id":83050,"date":"2026-07-25T16:10:12","date_gmt":"2026-07-25T08:10:12","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83050.html"},"modified":"2026-07-25T16:10:12","modified_gmt":"2026-07-25T08:10:12","slug":"gesp2026%e5%b9%b43%e6%9c%88%e8%ae%a4%e8%af%81c%e5%85%ab%e7%ba%a7-%e7%ac%ac%e4%ba%8c%e9%83%a8%e5%88%86%e5%88%a4%e6%96%ad%e9%a2%98%ef%bc%881-10%ef%bc%89%ef%bc%89%e7%b2%be%e8%ae%b2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83050.html","title":{"rendered":"GESP2026\u5e743\u6708\u8ba4\u8bc1C++\u516b\u7ea7( \u7b2c\u4e8c\u90e8\u5206\u5224\u65ad\u9898\uff081-10\uff09\uff09\u7cbe\u8bb2"},"content":{"rendered":"

\"\"<\/p>\n

\n

\"\"\"\"<\/p>\n

\n

\u7b2c1\u9898<\/h2>\n

\u5728C++\u4e2d，\u82e5\u7ed3\u6784\u4f53\u4e2d\u5305\u542b\u4e00\u4e2a static \u6210\u5458\u53d8\u91cf，\u5219\u8be5\u53d8\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\u5c5e\u4e8e\u7ed3\u6784\u4f53\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u7b54\u6848：\u9519\u8bef（\u00d7）<\/p>\n

\n

1\u3001\u4ec0\u4e48\u662fstatic\u6210\u5458？<\/h3>\n

\u4f8b\u5982：<\/p>\n

#include<iostream>
\nusing namespace std;<\/p>\n

struct Student
\n{
\n int age;
\n static int cnt;
\n};<\/p>\n

int Student::cnt = 0;<\/p>\n

int main()
\n{
\n Student a, b;<\/p>\n

a.age = 10;
\n b.age = 12;<\/p>\n

Student::cnt++;<\/p>\n

cout << a.age << endl;
\n cout << b.age << endl;
\n cout << Student::cnt << endl;
\n}<\/p>\n

\n

2\u3001\u5b83\u5230\u5e95\u5b58\u5728\u54ea\u91cc？<\/h3>\n

\u666e\u901a\u6210\u5458：<\/p>\n

\u5bf9\u8c61a<\/p>\n

+——+
\n| age |
\n+——+<\/p>\n

\u5bf9\u8c61b<\/p>\n

+——+
\n| age |
\n+——+<\/p>\n

\u800c<\/p>\n

static cnt<\/p>\n

\u53ea\u6709<\/p>\n

\u4e00\u4efd！<\/p>\n

\u653e\u5728\u5168\u5c40\u9759\u6001\u533a<\/p>\n

\u5e76\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u5bf9\u8c61\u3002<\/p>\n

\n

\u5927\u5bb6\u53ef\u4ee5\u7406\u89e3\u6210：<\/p>\n

\u5b66\u6821<\/p>\n

\u5b66\u751fA
\n\u5b66\u751fB
\n\u5b66\u751fC<\/p>\n

\u2193<\/p>\n

\u4eba\u6570<\/p>\n

\u53ea\u6709\u4e00\u4e2a<\/p>\n

\u4e0d\u4f1a\u6bcf\u4e2a\u5b66\u751f\u90fd\u4fdd\u5b58\u4e00\u4efd\u4eba\u6570\u3002<\/p>\n

\n

3\u3001\u4e3a\u4ec0\u4e48\u9519？<\/h3>\n

\u56e0\u4e3a<\/p>\n

sizeof(Student)<\/p>\n

\u4e0d\u4f1a\u8ba1\u7b97<\/p>\n

static<\/p>\n

\u6210\u5458\u3002<\/p>\n

\u6240\u4ee5<\/p>\n

static\u4e0d\u662f\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c2\u9898<\/h2>\n

\u4e8c\u9879\u5f0f\u5c55\u5f00\u5f0f\u6240\u6709\u4e8c\u9879\u5f0f\u7cfb\u6570\u4e4b\u548c\u7b49\u4e8e2\u207f\u3002<\/p>\n

\u7b54\u6848：\u6b63\u786e（\u221a）<\/p>\n

\n

1\u3001\u4f8b\u5982：<\/h3>\n

(a+b)^3<\/p>\n

= a\u00b3 +3a\u00b2b +3ab\u00b2 +b\u00b3<\/p>\n

\u7cfb\u6570：<\/p>\n

1<\/p>\n

3<\/p>\n

3<\/p>\n

1<\/p>\n

\u76f8\u52a0：<\/p>\n

8<\/p>\n

=<\/p>\n

2\u00b3<\/p>\n

\n

2\u3001\u4e3a\u4ec0\u4e48？<\/h3>\n

\u628a<\/p>\n

a=1<\/p>\n

b=1<\/p>\n

\u4ee3\u8fdb\u53bb\u3002<\/p>\n

\u5f97\u5230：<\/p>\n

(1+1)^n<\/p>\n

=<\/p>\n

2^n<\/p>\n

\u53f3\u8fb9\u5c31\u662f<\/p>\n

\u6240\u6709\u7cfb\u6570\u4e4b\u548c\u3002<\/p>\n

\u6240\u4ee5\u4e00\u5b9a\u6210\u7acb\u3002<\/p>\n

\n

3\u3001\u516b\u7ea7\u8003\u70b9：<\/h3>\n

\u6768\u8f89\u4e09\u89d2<\/p>\n

\u7b2cn\u884c\u548c<\/p>\n

=<\/p>\n

2^n<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c3\u9898<\/h2>\n

const int & \u53ef\u4ee5\u7ed1\u5b9a\u5de6\u503c，\u4e5f\u53ef\u4ee5\u7ed1\u5b9a\u53f3\u503c\u3002<\/p>\n

\u7b54\u6848：\u6b63\u786e（\u221a）<\/p>\n

\n

1\u3001\u4f8b\u5982：<\/h3>\n

void fun(const int &x)
\n{
\n cout << x << endl;
\n}<\/p>\n

int main()
\n{
\n int a = 5;<\/p>\n

fun(a); \/\/ \u5de6\u503c<\/p>\n

fun(100); \/\/ \u53f3\u503c
\n}<\/p>\n

\u90fd\u5408\u6cd5\u3002<\/p>\n

\n

2\u3001\u4e3a\u4ec0\u4e48？<\/h3>\n

\u666e\u901a\u5f15\u7528：<\/p>\n

int &x = 5;<\/p>\n

\u9519\u8bef\u3002<\/p>\n

\n

\u56e0\u4e3a<\/p>\n

5<\/p>\n

\u6ca1\u6709\u5730\u5740<\/p>\n

\n

\u4f46\u662f<\/p>\n

const int &<\/p>\n

\u5141\u8bb8\u7ed1\u5b9a\u4e34\u65f6\u53d8\u91cf\u3002<\/p>\n

\u8fd9\u662fC++\u7684\u91cd\u8981\u7279\u6027\u3002<\/p>\n

\n

3\u3001\u4e3a\u4ec0\u4e48STL\u559c\u6b22\u5199：<\/h3>\n

const string &<\/p>\n

\u56e0\u4e3a：<\/p>\n

\u65e2\u4e0d\u7528\u590d\u5236<\/p>\n

\u53c8\u53ef\u4ee5\u63a5\u6536\u4e34\u65f6\u5bf9\u8c61\u3002<\/p>\n

\u6548\u7387\u9ad8\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c4\u9898<\/h2>\n

\u82e5\u4e00\u4e2a\u65e0\u5411\u56fe\u6700\u5c0f\u751f\u6210\u6811\u552f\u4e00，\u5219\u6240\u6709\u8fb9\u6743\u4e00\u5b9a\u4e0d\u540c\u3002<\/p>\n

\u7b54\u6848：\u9519\u8bef（\u00d7）<\/p>\n

\n

1\u3001\u5f88\u591a\u540c\u5b66\u7b2c\u4e00\u773c\u89c9\u5f97：<\/h3>\n

\u597d\u50cf\u662f\u771f\u7684\u3002<\/p>\n

\u5176\u5b9e\u4e0d\u662f\u3002<\/p>\n

\n

2\u3001\u4f8b\u5982：<\/h3>\n

A<\/p>\n

|<\/p>\n

1<\/p>\n

|<\/p>\n

B<\/p>\n

|<\/p>\n

2<\/p>\n

|<\/p>\n

C<\/p>\n

\u518d\u52a0\u4e00\u6761：<\/p>\n

A—–5—–C<\/p>\n

\u8fb9\u6743：<\/p>\n

1<\/p>\n

2<\/p>\n

5<\/p>\n

\u5f53\u7136\u552f\u4e00\u3002<\/p>\n

\n

3\u3001\u518d\u6539\u4e00\u4e0b：<\/h3>\n

A<\/p>\n

|<\/p>\n

1<\/p>\n

|<\/p>\n

B<\/p>\n

|<\/p>\n

1<\/p>\n

|<\/p>\n

C<\/p>\n

\u8fd8\u6709：<\/p>\n

A—–5—–C<\/p>\n

\u6700\u5c0f\u751f\u6210\u6811\u8fd8\u662f：<\/p>\n

AB<\/p>\n

BC<\/p>\n

\u4ecd\u7136\u552f\u4e00\u3002<\/p>\n

\u4f46\u662f：<\/p>\n

\u51fa\u73b0\u4e24\u4e2a<\/p>\n

1<\/p>\n

\u8bf4\u660e：<\/p>\n

\u8fb9\u6743<\/p>\n

\u53ef\u4ee5\u91cd\u590d\u3002<\/p>\n

\n

4\u3001\u771f\u6b63\u6210\u7acb\u7684\u662f：<\/h3>\n

\u6240\u6709\u8fb9\u6743\u4e0d\u540c \u21d2 MST\u4e00\u5b9a\u552f\u4e00\u3002<\/p>\n

\u53cd\u8fc7\u6765<\/p>\n

\u4e0d\u6210\u7acb\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c5\u9898<\/h2>\n

\u5feb\u901f\u6392\u5e8f\u6700\u597d\u3001\u5e73\u5747\u3001\u6700\u574f\u90fd\u662fO(nlogn)<\/p>\n

\u7b54\u6848：\u9519\u8bef（\u00d7）<\/p>\n

\n

1\u3001\u8fd9\u662f\u7ecf\u5178\u8003\u70b9\u3002<\/h3>\n
\n

\u6700\u597d：<\/p>\n

O(nlogn)<\/p>\n

\u5e73\u5747：<\/p>\n

O(nlogn)<\/p>\n

\u6700\u574f：<\/p>\n

O(n\u00b2)<\/p>\n

\n

2\u3001\u4ec0\u4e48\u65f6\u5019\u6700\u574f？<\/h3>\n

\u4f8b\u5982：<\/p>\n

\u5df2\u7ecf\u6709\u5e8f\u3002<\/p>\n

\u6bcf\u6b21\u90fd\u62ff\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n

1<\/p>\n

2<\/p>\n

3<\/p>\n

4<\/p>\n

5<\/p>\n

\n

\u7b2c\u4e00\u6b21：<\/p>\n

\u5212\u5206：<\/p>\n

\u5de6：<\/p>\n

\u7a7a<\/p>\n

\u53f3：<\/p>\n

4\u4e2a<\/p>\n

\n

\u7b2c\u4e8c\u6b21：<\/p>\n

\u53c8：<\/p>\n

\u5de6：<\/p>\n

\u7a7a<\/p>\n

\u53f3：<\/p>\n

3\u4e2a<\/p>\n

\u4e00\u76f4\u9000\u5316\u3002<\/p>\n

\n

\u6700\u540e：<\/p>\n

n<\/p>\n

+<\/p>\n

n-1<\/p>\n

+<\/p>\n

…<\/p>\n

+<\/p>\n

1<\/p>\n

\u5c31\u662f<\/p>\n

O(n\u00b2)<\/p>\n

\n

3\u3001\u6240\u4ee5\u5f88\u591a\u5e93\u90fd\u4f1a：<\/h3>\n

\u968f\u673a\u5316\u3002<\/p>\n

\u4e09\u6570\u53d6\u4e2d\u3002<\/p>\n

\u907f\u514d\u9000\u5316\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c6\u9898<\/h2>\n

\u6240\u6709\u9876\u70b9\u5ea6\u6570\u90fd\u662f\u5076\u6570，\u5c31\u4e00\u5b9a\u5b58\u5728\u6b27\u62c9\u56de\u8def\u3002<\/p>\n

\u7b54\u6848：\u9519\u8bef（\u00d7）<\/p>\n

\n

1\u3001\u8fd9\u91cc\u6700\u5bb9\u6613\u6389\u5751\u3002<\/h3>\n

\u5c11\u4e86\u4e00\u4e2a\u6761\u4ef6\u3002<\/p>\n

\u5fc5\u987b：<\/p>\n

\u56fe\u8fde\u901a\u3002<\/p>\n

\n

2\u3001\u4f8b\u5982：<\/h3>\n

\u4e24\u4e2a\u5706\u3002<\/p>\n

\u25cb \u25cb<\/p>\n

\u6bcf\u4e2a\u70b9\u5ea6\u90fd\u662f2\u3002<\/p>\n

\u4f46\u662f：<\/p>\n

\u4e24\u90e8\u5206\u5b8c\u5168\u4e0d\u8fde\u3002<\/p>\n

\u600e\u4e48\u8d70？<\/p>\n

\u6839\u672c\u4e0d\u53ef\u80fd\u3002<\/p>\n

\n

3\u3001\u6b27\u62c9\u56de\u8def\u6761\u4ef6：<\/h3>\n

\u2460\u8fde\u901a<\/p>\n

\u2461\u6240\u6709\u70b9\u5076\u5ea6<\/p>\n

\u7f3a\u4e00\u4e0d\u53ef\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c7\u9898<\/h2>\n

ST\u8868\u9884\u5904\u7406O(nlogn)，\u67e5\u8be2O(1)<\/p>\n

\u7b54\u6848：\u6b63\u786e（\u221a）<\/p>\n

\n

1\u3001\u8fd9\u662fRMQ\u7ecf\u5178\u590d\u6742\u5ea6\u3002<\/h3>\n

ST\u8868：<\/p>\n

\u9884\u5904\u7406：<\/p>\n

O(nlogn)<\/p>\n

\u67e5\u8be2：<\/p>\n

O(1)<\/p>\n

\n

2\u3001\u4e3a\u4ec0\u4e48？<\/h3>\n

\u56e0\u4e3a：<\/p>\n

\u63d0\u524d\u628a<\/p>\n

2^0<\/p>\n

2^1<\/p>\n

2^2<\/p>\n

…<\/p>\n

\u5168\u90e8\u7b97\u597d\u4e86\u3002<\/p>\n

\n

3\u3001\u67e5\u8be2：<\/h3>\n

\u76f4\u63a5\u53d6\u4e24\u4e2a\u533a\u95f4\u3002<\/p>\n

\u4e00\u6b21max\u3002<\/p>\n

\u7ed3\u675f\u3002<\/p>\n

\n

4\u3001\u516b\u7ea7\u8003\u70b9：<\/h3>\n\n\u7b97\u6cd5\u9884\u5904\u7406\u67e5\u8be2<\/tr>\n\n\n\n\n
ST\u8868<\/td>\nO(nlogn)<\/td>\nO(1)<\/td>\n<\/tr>\n
\u7ebf\u6bb5\u6811<\/td>\nO(n)<\/td>\nO(logn)<\/td>\n<\/tr>\n
\u6811\u72b6\u6570\u7ec4<\/td>\nO(n)<\/td>\nO(logn)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\"\"<\/h2>\n
\n

\u7b2c8\u9898<\/h2>\n

\u6240\u6709\u8fb9\u7edf\u4e00\u589e\u52a0\u4e00\u4e2a\u5e38\u6570，\u6700\u5c0f\u751f\u6210\u6811\u4e00\u5b9a\u4e0d\u53d8\u3002<\/p>\n

\u7b54\u6848：\u6b63\u786e（\u221a）<\/p>\n

\n

1\u3001\u4e3a\u4ec0\u4e48？<\/h3>\n

\u5047\u8bbe：<\/p>\n

\u6240\u6709\u8fb9：<\/p>\n

\u5168\u90e8<\/p>\n

+100<\/p>\n

\n

2\u3001\u4f8b\u5982：<\/h3>\n

\u539f\u6765：<\/p>\n

1<\/p>\n

3<\/p>\n

5<\/p>\n

\u53d8：<\/p>\n

101<\/p>\n

103<\/p>\n

105<\/p>\n

\u5927\u5c0f\u5173\u7cfb<\/p>\n

\u6709\u6ca1\u6709\u53d8？<\/p>\n

\u6ca1\u6709\u3002<\/p>\n

\n

\u56e0\u6b64：<\/p>\n

Prim<\/p>\n

Kruskal<\/p>\n

\u6bcf\u4e00\u6b65<\/p>\n

\u9009\u62e9\u8fb9<\/p>\n

\u5b8c\u5168\u4e00\u6837\u3002<\/p>\n

\u6240\u4ee5：<\/p>\n

MST\u4e0d\u53d8\u3002<\/p>\n

\n

3\u3001\u6ce8\u610f：<\/h3>\n

\u8fd9\u662f<\/p>\n

\u7edf\u4e00\u52a0\u540c\u4e00\u4e2a\u6570\u3002<\/p>\n

\u5982\u679c：<\/p>\n

\u4e0d\u540c\u8fb9<\/p>\n

\u52a0\u4e0d\u540c\u6570\u5b57\u3002<\/p>\n

\u90a3\u5c31\u53ef\u80fd\u6539\u53d8\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c9\u9898<\/h2>\n

Prim\u548cKruskal\u5f97\u5230\u7684\u6700\u5c0f\u751f\u6210\u6811\u6743\u503c\u4e00\u5b9a\u4e00\u6837\u3002<\/p>\n

\u7b54\u6848：\u6b63\u786e（\u221a）<\/p>\n

\n

1\u3001\u6ce8\u610f：<\/h3>\n

\u8fd9\u91cc\u95ee\u7684\u662f：<\/p>\n

\u603b\u6743\u503c<\/p>\n

\u4e0d\u662f：<\/p>\n

\u6811\u3002<\/p>\n

\n

2\u3001\u4f8b\u5982：<\/h3>\n

\u53ef\u80fd\u5b58\u5728\u4e24\u68f5\u4e0d\u540cMST<\/p>\n

\u4f46\u662f：<\/p>\n

\u603b\u4ee3\u4ef7<\/p>\n

\u4e00\u5b9a\u76f8\u540c\u3002<\/p>\n

\u5426\u5219：<\/p>\n

\u5176\u4e2d\u4e00\u4e2a<\/p>\n

\u5c31\u4e0d\u662f\u6700\u5c0f\u751f\u6210\u6811\u4e86\u3002<\/p>\n

\n

3\u3001\u56e0\u6b64：<\/h3>\n

\u7b97\u6cd5\u4e0d\u540c\u3002<\/p>\n

\u6811\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n

\u6743\u503c\u4e00\u5b9a\u76f8\u540c\u3002<\/p>\n

\n

\"\"<\/h2>\n
\n

\u7b2c10\u9898<\/h2>\n

\u9012\u63a8DP\u548c\u8bb0\u5fc6\u5316\u641c\u7d22\u65f6\u95f4\u590d\u6742\u5ea6\u603b\u662f\u76f8\u540c\u3002<\/p>\n

\u7b54\u6848：\u9519\u8bef（\u00d7）<\/p>\n

\n

1\u3001\u5f88\u591a\u540c\u5b66\u8ba4\u4e3a：<\/h3>\n

\u4e24\u8005\u4e00\u6837\u3002<\/p>\n

\u5176\u5b9e\u4e0d\u662f\u3002<\/p>\n

\n

2\u3001\u4f8b\u5982：<\/h3>\n

\u6709100\u4e07\u4e2a\u72b6\u6001\u3002<\/p>\n

\u771f\u6b63\u7528\u5230：<\/p>\n

100\u4e2a\u3002<\/p>\n

\n

3\u3001\u9012\u63a8：<\/h3>\n

\u5168\u90e8\u7b97\u3002<\/p>\n

1000000<\/p>\n

\u72b6\u6001\u3002<\/p>\n

\n

4\u3001\u8bb0\u5fc6\u5316：<\/h3>\n

\u53ea\u8bbf\u95ee：<\/p>\n

100<\/p>\n

\u72b6\u6001\u3002<\/p>\n

\u590d\u6742\u5ea6：<\/p>\n

\u5c0f\u5f97\u591a\u3002<\/p>\n

\n

5\u3001\u6240\u4ee5：<\/h3>\n

\u4e0d\u80fd\u8bf4：<\/p>\n

\u603b\u662f\u4e00\u6837\u3002<\/p>\n

\u5e94\u8be5\u8bf4：<\/p>\n

\u5f88\u591a\u7ecf\u5178DP<\/p>\n

\u4e24\u8005\u590d\u6742\u5ea6\u76f8\u8fd1\u3002<\/p>\n

\u4f46：<\/p>\n

\u5e76\u975e\u6240\u6709\u95ee\u9898\u90fd\u4e00\u6837\u3002<\/p>\n

\n

\u7b2c\u4e8c\u90e8\u5206\u603b\u7ed3<\/h2>\n\n\u9898\u53f7\u7b54\u6848\u77e5\u8bc6\u70b9\u6613\u9519\u70b9<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
1<\/td>\n\u00d7<\/td>\nstatic\u6210\u5458<\/td>\n\u4e0d\u5c5e\u4e8e\u5bf9\u8c61，\u5360\u7528\u9759\u6001\u5b58\u50a8\u533a<\/td>\n<\/tr>\n
2<\/td>\n\u221a<\/td>\n\u4e8c\u9879\u5f0f\u5b9a\u7406<\/td>\n\u7cfb\u6570\u548c=2\u207f<\/td>\n<\/tr>\n
3<\/td>\n\u221a<\/td>\nconst\u5f15\u7528<\/td>\n\u53ef\u4ee5\u7ed1\u5b9a\u53f3\u503c<\/td>\n<\/tr>\n
4<\/td>\n\u00d7<\/td>\n\u6700\u5c0f\u751f\u6210\u6811<\/td>\n\u552f\u4e00MST\u2260\u8fb9\u6743\u4e92\u5f02<\/td>\n<\/tr>\n
5<\/td>\n\u00d7<\/td>\n\u5feb\u901f\u6392\u5e8f<\/td>\n\u6700\u574fO(n\u00b2)<\/td>\n<\/tr>\n
6<\/td>\n\u00d7<\/td>\n\u6b27\u62c9\u56de\u8def<\/td>\n\u8fd8\u5fc5\u987b\u8fde\u901a<\/td>\n<\/tr>\n
7<\/td>\n\u221a<\/td>\nST\u8868<\/td>\n\u9884\u5904\u7406O(nlogn)，\u67e5\u8be2O(1)<\/td>\n<\/tr>\n
8<\/td>\n\u221a<\/td>\n\u6700\u5c0f\u751f\u6210\u6811<\/td>\n\u6240\u6709\u8fb9\u7edf\u4e00\u52a0\u540c\u4e00\u5e38\u6570，MST\u4e0d\u53d8<\/td>\n<\/tr>\n
9<\/td>\n\u221a<\/td>\nPrim\/Kruskal<\/td>\n\u6811\u53ef\u80fd\u4e0d\u540c，\u4f46\u603b\u6743\u503c\u4e00\u5b9a\u76f8\u540c<\/td>\n<\/tr>\n
10<\/td>\n\u00d7<\/td>\n\u52a8\u6001\u89c4\u5212<\/td>\n\u8bb0\u5fc6\u5316\u641c\u7d22\u4e0d\u4e00\u5b9a\u4e0e\u9012\u63a8\u590d\u6742\u5ea6\u5b8c\u5168\u4e00\u81f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u672c\u5957\u5224\u65ad\u9898\u6700\u503c\u5f97\u8bb0\u5fc6\u7684\u516b\u7ea7\u8003\u70b9：<\/h3>\n

\u2460 static \u4e0d\u5c5e\u4e8e\u5bf9\u8c61\u3002
\n\u2461 \u4e8c\u9879\u5f0f\u7cfb\u6570\u548c = 2\u207f\u3002
\n\u2462 const \u5f15\u7528\u53ef\u4ee5\u7ed1\u5b9a\u53f3\u503c\u3002
\n\u2463 \u8fb9\u6743\u4e92\u5f02 \u21d2 MST \u552f\u4e00，\u4f46\u53cd\u8fc7\u6765\u4e0d\u6210\u7acb\u3002
\n\u2464 \u5feb\u6392\u6700\u574f O(n\u00b2)\u3002
\n\u2465 \u6b27\u62c9\u56de\u8def = \u8fde\u901a + \u6240\u6709\u70b9\u5076\u5ea6\u3002
\n\u2466 ST \u8868：\u9884\u5904\u7406 O(nlogn)，\u67e5\u8be2 O(1)\u3002
\n\u2467 \u6240\u6709\u8fb9\u7edf\u4e00\u52a0\u540c\u4e00\u4e2a\u5e38\u6570，MST \u4e0d\u53d8\u3002
\n\u2468 Prim \u4e0e Kruskal \u7684\u6700\u5c0f\u751f\u6210\u6811\u603b\u6743\u503c\u4e00\u5b9a\u76f8\u540c\u3002
\n\u2469 \u8bb0\u5fc6\u5316\u641c\u7d22\u4e0e\u9012\u63a8 DP \u4e0d\u4e00\u5b9a\u603b\u6709\u76f8\u540c\u65f6\u95f4\u590d\u6742\u5ea6\u3002<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

\u7b2c1\u9898\u5728C\u4e2d，\u82e5\u7ed3\u6784\u4f53\u4e2d\u5305\u542b\u4e00\u4e2a static \u6210\u5458\u53d8\u91cf，\u5219\u8be5\u53d8\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\u5c5e\u4e8e\u7ed3\u6784\u4f53\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\u3002\u7b54\u6848：\u9519\u8bef（\u00d7）1\u3001\u4ec0\u4e48\u662fstatic\u6210\u5458？\u4f8b\u5982：#include
\nusing namespace std;struct Student
\n{int age;static int cnt;
\n};int Student::cnt 0;int main()
\n{Stu<\/p>\n","protected":false},"author":2,"featured_media":83038,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,190],"topic":[],"class_list":["post-83050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-190"],"yoast_head":"\nGESP2026\u5e743\u6708\u8ba4\u8bc1C++\u516b\u7ea7( \u7b2c\u4e8c\u90e8\u5206\u5224\u65ad\u9898\uff081-10\uff09\uff09\u7cbe\u8bb2 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/83050.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GESP2026\u5e743\u6708\u8ba4\u8bc1C++\u516b\u7ea7( \u7b2c\u4e8c\u90e8\u5206\u5224\u65ad\u9898\uff081-10\uff09\uff09\u7cbe\u8bb2 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u7b2c1\u9898\u5728C\u4e2d，\u82e5\u7ed3\u6784\u4f53\u4e2d\u5305\u542b\u4e00\u4e2a static \u6210\u5458\u53d8\u91cf，\u5219\u8be5\u53d8\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4\u5c5e\u4e8e\u7ed3\u6784\u4f53\u5bf9\u8c61\u7684\u4e00\u90e8\u5206\u3002\u7b54\u6848：\u9519\u8bef（\u00d7）1\u3001\u4ec0\u4e48\u662fstatic\u6210\u5458？\u4f8b\u5982：#include using namespace std;struct Student {int age;static int cnt; 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